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  <title>预定义常量</title>

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</div><hr /><div id="oggvorbis.constants" class="appendix">
 <h1>预定义常量</h1>

 <p class="simpara">下列常量由此扩展定义，且仅在此扩展编译入 PHP 或在运行时动态载入时可用。</p>
 <table class="doctable table">
  <caption><strong>OGG/Vorbis supports PCM encodings in the following formats</strong></caption>
  
   <thead>
    <tr>
     <th>Constant</th>
     <th>Definition</th>
    </tr>

   </thead>

   <tbody class="tbody">
    <tr id="constant.oggvorbis-pcm-u8">
     <td><strong><code>OGGVORBIS_PCM_U8</code></strong></td>
     <td>Unsigned 8-bit PCM.</td>
    </tr>

    <tr id="constant.oggvorbis-pcm-s8">
     <td><strong><code>OGGVORBIS_PCM_S8</code></strong></td>
     <td>Signed 8-bit PCM.</td>
    </tr>

    <tr id="constant.oggvorbis-pcm-u16-le">
     <td><strong><code>OGGVORBIS_PCM_U16_LE</code></strong></td>
     <td>Unsigned 16-bit PCM. Little Endian byte order.</td>
    </tr>

    <tr id="constant.oggvorbis-pcm-u16-be">
     <td><strong><code>OGGVORBIS_PCM_U16_BE</code></strong></td>
     <td>Unsigned 16-bit PCM. Big Endian byte order.</td>
    </tr>

    <tr id="constant.oggvorbis-pcm-s16-le">
     <td><strong><code>OGGVORBIS_PCM_S16_LE</code></strong></td>
     <td>Signed 16-bit PCM. Little Endian byte order.</td>
    </tr>

    <tr id="constant.oggvorbis-pcm-s16-be">
     <td><strong><code>OGGVORBIS_PCM_S16_BE</code></strong></td>
     <td>Signed 16-bit PCM. Big Endian byte order.</td>
    </tr>

   </tbody>
  
 </table>

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